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java开发常用工具方法

====== Java开发常用工具方法 ======

  * 集合判null、空：

<code java>
package org.apache.commons.collections;
method CollectionUtils.isNotEmpty();
</code>
  * 数组判null、空：

<code java>
package org.apache.commons.lang;
method ArrayUtils.isEmpty();
</code>
  * 字符串判null、空：

<code java>
package org.apache.commons.lang;
method StringUtils.isNotBlank();
</code>
  * 获取当前毫秒数：

<code java>
System.currentTimeMillis();
</code>
  * 数据转List：

<code java>
List<Integer> integerList = Arrays.asList(new Integer[]{1, 2, 3});
</code>

java开发常用工具方法.txt · Last modified: 2023/03/08 16:09 by xujianglong

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